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Optical and electrical characterization of an atmospheric pressure microplasma jet for and mixtures
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10.1063/1.2714646
/content/aip/journal/jap/101/10/10.1063/1.2714646
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/10/10.1063/1.2714646

Figures

Image of FIG. 1.
FIG. 1.

(a) Scheme of the experimental setup together with the photograph of an argon plasma jet. (b) Simulated field enhancement effect at the end of the coaxial structure.

Image of FIG. 2.
FIG. 2.

OES spectrum of an Ar plasma flowing into an air atmosphere, showing no traces of nitrogen or oxygen compounds. A comparison with an mixture is presented.

Image of FIG. 3.
FIG. 3.

(a) OH rotational band structure for Ar and He plasmas (normalized profile). A comparison with some synthetic spectra is presented in the inset figure. (b) Gas temperature at a distance of from the end of the coaxial structure as a function of the nominal rf power.

Image of FIG. 4.
FIG. 4.

Current and voltage wave forms for different rms currents: (A) , (B) , (C) , and (D) .

Image of FIG. 5.
FIG. 5.

Electrical performance of He microplasmas: (a) characteristics and absorbed power. (b) Impedance of the discharge .

Image of FIG. 6.
FIG. 6.

Electrical performance of Ar microplasmas: (a) characteristics and absorbed power. (b) Impedance of the discharge .

Image of FIG. 7.
FIG. 7.

Top: OES spectra of and discharges for identical precursor concentrations ; bottom: fine structure of selected CH and bands.

Image of FIG. 8.
FIG. 8.

Intensities of selected species detected by OES as a function of the amount of precursor in the discharge: (a) mixtures; (b) mixtures.

Image of FIG. 9.
FIG. 9.

intensity ratio in and plasmas as a function of the precursor amount.

Tables

Generic image for table
Table I.

Main features of OES Spectra in and mixtures.

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/content/aip/journal/jap/101/10/10.1063/1.2714646
2007-05-31
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical and electrical characterization of an atmospheric pressure microplasma jet for Ar∕CH4 and Ar∕C2H2 mixtures
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/10/10.1063/1.2714646
10.1063/1.2714646
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